OpenAI has launched its GPT-5.6 family, featuring Sol, Terra, and Luna, alongside a strategic desktop consolidation. The flagship Sol model nearly matches Anthropic's Claude Fable 5 on the AI Index ...
OpenAI's GPT-5.6 Sol advanced another step toward general availability on July 6 when an OpenAI Codex engineer publicly confirmed that Sol Ultra — the model's highest-compute tier — would ship inside ...